Complete the following pattern: 12, ___, 18, 21

A. 15

B. 16

stephanie bought some nappa leather boots at a 20% discount. If the discount saved her $23, what did the boots cost originally?

How to find cos (-19pi/6)

What is the value of k? 1/2k+6=4k-8 A.-4 B.-3 C. 3 D. 4

Solve for X, rounding to the nearest hundredth. 25x = 6

It is about 384,750 kilometers (km) from earth to the moon. it took the apollo astronauts about 2 days and 19.5 hours to fly to the moon. how fast did they travel?

The GCF of the numbers in the expression (32 + 16) is

Which of the following is a property of translations that is not also a property of other types of rigid motions?

Paola is planning her summer vacation. She wants to buy maps and atlases to use in her planning. The maps cost $3.00 and the atlases cost $7.00 each. If she spends $43.00 what combination of maps and atlases can she buy?

What is the coefficient in the expression 10x^-7? A.) 2 B.) 10 C.) 7 D.) x

75% of 84 is what number